Frankfurt is 1 hour ahead of Reykjavik
Best overlap: 8:00 AM to 5:00 PM in Reykjavik is 9:00 AM to 6:00 PM in Frankfurt.
Book within 8:00 AM to 5:00 PM Reykjavik time (9:00 AM to 6:00 PM in Frankfurt) and both teams will be at work. This is one of the easier pairings: 9 hours of shared time means flexible, low-stress scheduling. Daylight saving complicates things slightly: Frankfurt observes it, Reykjavik doesn't, so the difference flexes by an hour part of the year.